What color is #245643?

#245643 is a dark teal-green. In RGB it is rgb(36, 86, 67), and in HSL hsl(157, 41%, 24%).

Is #245643 accessible as text?

On white, #245643 has a contrast ratio of 8.44:1 (passes WCAG AA for body text); on black it is 2.49:1 (fails). For text placed on #245643, use white for the best readability.

What is the closest Tailwind color to #245643?

The nearest Tailwind CSS token is emerald-800 (#006045).

What colors go well with #245643?

#245643 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #562437. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #245643 below.

Is #245643 good for buttons?

#245643 works well for buttons and highlights, but use white text on #245643 — black text only reaches 2.49:1, below the 4.5:1 needed for normal-size labels.

Is #245643 the same as CSS darkslategray?

No — #245643 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#245643 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #245643

Not just a swatch — here's how #245643 works with other colors. Named schemes with #245643 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #245643 Accent #A7C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3548

Castleton Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #245643 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Castleton Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #245643 Secondary #744F1A Surface #E5DBC0 Accent #3B5141 Anchor #5B2320

Castleton Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #245643 Anchor #382B1E Surface #ECE4D0 Accent #849B6F Secondary #3A3833

Castleton Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #245643 Secondary #67776F Support #989286 Ink #17140F

Castleton Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Castleton Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #245643 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 42/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 57/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 50/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 61/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 24/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 62/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #245643

For UI

For branding

For interior

For fashion

People also use #245643 with

Fern Green Dark Slate Gray Tyrian Purple Platinum

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 8.4:1. Use

Subtle surface Use #CDE4DB for cards and hover fills. Tint 80

Avoid beside #245654 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #245643 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #245643;
  --color-base-rgb: 36 86 67;
  --color-base-oklch: oklch(41.3% 0.063 165.9);
  --color-50: #F4FBF8;
  --color-100: #E2F3ED;
  --color-200: #C6E7DA;
  --color-300: #9DD2BE;
  --color-400: #77BBA1;
  --color-500: #569E83;
  --color-600: #477A67;
  --color-700: #37584B;
  --color-800: #273A33;
  --color-900: #192420;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F4FBF8',
    100: '#E2F3ED',
    200: '#C6E7DA',
    300: '#9DD2BE',
    400: '#77BBA1',
    500: '#569E83',
    600: '#477A67',
    700: '#37584B',
    800: '#273A33',
    900: '#192420',
  },
}

$base: #245643;
$base-ink: #FFFFFF;
$base-50: #F4FBF8;
$base-100: #E2F3ED;
$base-200: #C6E7DA;
$base-300: #9DD2BE;
$base-400: #77BBA1;
$base-500: #569E83;
$base-600: #477A67;
$base-700: #37584B;
$base-800: #273A33;
$base-900: #192420;
$base-hover: #1D4536;
$base-subtle: #B3D7C9;

{
    "color": {
        "base": {
            "value": "#245643",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBF8",
                "type": "color"
            },
            "100": {
                "value": "#E2F3ED",
                "type": "color"
            },
            "200": {
                "value": "#C6E7DA",
                "type": "color"
            },
            "300": {
                "value": "#9DD2BE",
                "type": "color"
            },
            "400": {
                "value": "#77BBA1",
                "type": "color"
            },
            "500": {
                "value": "#569E83",
                "type": "color"
            },
            "600": {
                "value": "#477A67",
                "type": "color"
            },
            "700": {
                "value": "#37584B",
                "type": "color"
            },
            "800": {
                "value": "#273A33",
                "type": "color"
            },
            "900": {
                "value": "#192420",
                "type": "color"
            }
        }
    }
}

Palettes built on #245643

Color Lab

Pairs with #245643

UI roles & guardrails

In real applications

Scales

Every model

Export